Demographics of Hillsborough town, California

Hillsborough town, California had 11,206 people on July 1, 2025, by the Census Bureau’s estimate: −145 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Hillsborough town, in four figures

11,206
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 11,099 ±24.; −1.3%
Change since July 2020: −145 people.; 47.0 ±2.3
Median age: ACS 2020–⁠2024.; At the edge of the top or bottom interval
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. The Bureau publishes no births, deaths or migration for a place, so the change is the difference between one July estimate and the next.

Hillsborough town, California's population shrank 1.3% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Hillsborough town, California's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

Source: The Census Bureau

About this chart

The figures

Hillsborough town, California's population shrank 1.3% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Hillsborough town, California's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	11,351	100.0	100.0
2021	11,024	97.1	100.2
2022	10,934	96.3	100.7
2023	10,990	96.8	101.6
2024	11,125	98.0	102.5
2025	11,206	98.7	103.1

Population of Hillsborough town, California on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	11,351	—
2021	11,024	−327
2022	10,934	−90
2023	10,990	+56
2024	11,125	+135
2025	11,206	+81

Age, 2020–2024

The median age is 47.0 ±2.3: for men 45.2 ±3.3 and for women 47.7 ±2.6. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Hillsborough town by age, ACS 2020–2024
Age	People	Share	California	United States
Under 5	367 ±125	3.3% ±1.1	5.5% ±<0.1	5.6% ±<0.1
5 to 17	2,596 ±374	23.4% ±3.4	16.5% ±<0.1	16.3% ±<0.1
18 to 24	573 ±224	5.2% ±2.0	9.1% ±<0.1	9.1% ±<0.1
25 to 44	1,754 ±287	15.8% ±2.6	28.7% ±<0.1	26.9% ±<0.1
45 to 64	3,547 ±391	32.0% ±3.5	24.6% ±<0.1	24.8% ±<0.1
65 and over	2,262 ±273	20.4% ±2.5	15.7% ±<0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is At the edge of the top or bottom interval, and income per person $179,325 ±$16,697, in 2024 dollars. The median is $99,122 ±$310 in California and $80,734 ±$166 in the United States.

Households by income

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Households in Hillsborough town by income, ACS 2020–2024
Household income	Households	Share	California	United States
Under $25,000	82 to 280	2.3% to 7.7%	12.5% ±0.1	14.6% ±<0.1
$25,000 to $49,999	33 to 115	0.9% to 3.2%	13.3% ±0.1	16.7% ±<0.1
$50,000 to $74,999	22 to 128	0.6% to 3.5%	13.0% ±0.1	15.5% ±<0.1
$75,000 to $99,999	120 to 452	3.3% to 12.5%	11.6% ±0.1	12.6% ±<0.1
$100,000 to $149,999	244 ±108	6.8% ±3.0	17.8% ±0.1	17.5% ±<0.1
$150,000 to $199,999	91 to 269	5.0% ±2.5	11.3% ±0.1	9.6% ±<0.1
$200,000 or more	2,570 ±235	71.2% ±5.5	20.5% ±0.1	13.4% ±0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Hillsborough town by age, ACS 2020–2024
Age	Below poverty	Rate	California	United States
All ages	216 to 888	1.9% to 8.0%	12.0% ±0.1	12.5% ±0.1
Under 18	75 to 303	2.7% to 10.1%	15.0% ±0.1	16.1% ±0.1
18 to 59	82 to 432	1.6% to 8.1%	11.0% ±0.1	11.6% ±0.1
60 and over	33 to 179	1.2% to 6.3%	11.5% ±0.1	11.0% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Housing, 2020–2024

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Housing in Hillsborough town, ACS 2020–2024
Measure	Hillsborough town	California	United States
Housing units	3,821 ±224	14,644,735 ±1,665	143,775,355 ±10,234
Occupied	94.5% ±7.3	92.5% ±0.1	89.9% ±0.1
Vacant	2.6% to 8.5%	7.5% ±0.1	10.1% ±0.1
Owner occupied	93.5% ±3.1	55.9% ±0.3	65.2% ±0.3
Renter occupied	6.5% ±2.9	44.1% ±0.2	34.8% ±0.1
Median home value	At the edge of the top or bottom interval	$734,700 ±$1,307	$332,700 ±$236
Median gross rent	At the edge of the top or bottom interval	$2,036 ±$5	$1,413 ±$2
Median year built	1970 ±3	1976 ±1	1980 ±1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Hillsborough town by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	California	United States
Hispanic or Latino	501 ±233	4.5% ±2.1	40.2% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	5,687 ±605	51.2% ±5.4	33.8% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	0 to 115	0% to 1.0%	5.2% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	3,680 ±524	33.2% ±4.7	15.3% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 15	0% to 0.1%	0.3% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 42	0% to 0.4%	0.3% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 531	0% to 4.8%	0.6% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	912 ±259	8.2% ±2.3	4.4% ±<0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Hillsborough town by place of birth and citizenship, ACS 2020–2024
Born	People	Share	California	United States
Born in the state	5,841 ±365	52.6% ±3.3	56.5% ±0.1	57.3% ±<0.1
Born in another state	2,079 ±316	18.7% ±2.8	15.0% ±0.1	26.9% ±<0.1
Born a citizen outside the states	59 to 277	0.5% to 2.5%	1.5% ±<0.1	1.7% ±<0.1
Born abroad	3,011 ±399	27.1% ±3.6	27.0% ±0.1	14.1% ±<0.1
Naturalized citizens	2,506 ±382	22.6% ±3.4	14.7% ±0.1	7.4% ±<0.1
Not citizens	505 ±152	4.5% ±1.4	12.3% ±0.1	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Hillsborough town among the places of California

468th of 661 places of 5,000 or more by the survey’s 2020–2024 count. Every one is listed on the California page.

Places of California near Hillsborough town in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Healdsburg city	11,243 ±47
View Park-Windsor Hills CDP	11,230 ±1,284
Canyon Lake city	11,119 ±40
Valley Center CDP	11,119 ±1,479
Del Aire CDP	11,115 ±1,159
Hillsborough town	11,099 ±24
East Bakersfield CDP	11,062 ±1,477
Sun Village CDP	11,036 ±1,758
Delhi CDP	11,009 ±999
Piedmont city	10,945 ±33
Sierra Madre city	10,940 ±25

Rankings this appears in

No. 1 Places by per capita income
No. 1 Places in California by per capita income
No. 2 Places in California by homeownership rate
No. 9 Places by homeownership rate
No. 25 Places in California by median age
No. 131 Places in California by foreign-born share

Sources

Census Bureau population estimates — incorporated places and New England towns — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File

Compiled automatically from Census Bureau population estimates — incorporated places and New England towns and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026